First Optima Battery Sales is an independent company and is not affiliated with or sponsored by OPTIMA® Batteries or Johnson Controls, Inc. OPTIMA and SPIRALCELL® are registered trademarks of Johnson Controls, Inc. |
Marine Batteries, Automotive Batteries, Deep Cycle and Starter Batteries Free Shipping in 48 States!*
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![]() Optima® SIL (Starter, Ignition & Lighting) Batteries Back: 34M, 34, 34R (reverse post) Front: 75/35, 6V, 34/78 |
![]() Optima® Yellow Top & Blue Top Deep Cycle Batteries Back: D31A, D31T, D31M Center : D34/78, D34, D34M Front: TF1800 "Troll Fury" |
Inside the unique shell of the OPTIMA® battery is a radically superior internal design. The structure of conventional batteries lead plates hanging in pools of acid requires those lead plates to provide their own structural support. To accomplish this, the lead is diluted with high percentages of inert stiffening metals that rob those conventional batteries of performance.
The unique engineering concept of the OPTIMA battery uses long thin layers of lead wound into tight spiral cells. Because they're tightly supported on all sides by high strength cylindrical cell casings, the lead ribbons of the OPTIMA aren't required to provide structural strength, so they can be made from high-purity, high-performance lead. This translates into dramatically lower internal resistance and higher output at temperature extremes. OPTIMA batteries can be fully recharged in about an hour, twice as fast as conventional batteries. They also can sit unused four times longer than other batteries, losing less than half a volt in over 6 months of nonuse.
An absorbent glass mat, alternating with the layers of lead, holds electrolyte in contact with the OPTIMA'S greater lead surface area. This laminated construction provides far more active surface area in the OPTIMA. It also supports a thicker layer of plate paste, for prolonged service life typically half again to twice the life of conventional batteries. This technology is called "AGM" for "Absorbed Glass Mat" and it is a major advance in battery design.
The OPTIMA'S
revolutionary Spiralcell® design produces more power and
increased energy, resulting in fast, reliable starts even in extreme conditions.
Because OPTIMA
is the only battery with Spiralcell construction, no other battery offers OPTIMA'S
combination of performance and reliability in land and marine applications.
OPTIMA
delivers power!
1st Optima
provides FREE shipping to the lower
48 states*! Your battery arrives by UPS, fully charged and ready
to use!
| Advantages
of the OPTIMA® Deep Cycle Battery: |
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| More Testimonials |
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Selecting
The Right Optima® Battery
Optima® offers two basic battery types: Optima starter type batteries, and Optima dual-purpose deep cycle/starter batteries. The Optima starter type batteries are superior replacement units for your car, truck, boat, or other vehicle. Optima deep cycle/starter batteries serve dual purposes: They are superior starter batteries, but they also are designed to withstand repeated deep discharging (down to a charge level of 10.5 volts) without having their life span shortened. This ability makes them especially useful when electrical loads exceed recharge rate (including times when the battery cannot be recharged at all, such as for marine trolling motors, or for running car audio equipment with your engine turned off.) Optima deep cycle batteries are very popular for marine trolling motors, winches, special lighting, portable power, and emergency backup systems of all types. If you need high performance power for car audio, the best battery for you is one or more of the largest Optima deep cycle/starter batteries you can fit in. See tables below for specs on Optima® Starter Batteries and Deep Cycle Batteries. Note that because of the Optima's® unique configuration, it's important to measure the space available in your application before ordering. Don't just measure your old battery; instead measure your actual available space.Then order online or call us and we can send the Optima that's right for you with free shipping to 48 states, no handling fee, and no sales tax*! Note that some vehicles have optional battery covers which do not conform to the Optima's shape, and which you may have the option to leave off. |
OPTIMA® More-Info Links: |
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Power You Can Depend On

Optima® SIL (Starter,
Ignition & Lighting) Batteries
Back: 34M, 34, 34R (reverse post)
Front: 75/35, 6V, 34/78
Ultra
high performance in cold or heat... Ultra shock resistance... High tolerance
for accidental deep discharge... OPTIMA® is the ultimate battery for any vehicle
that really needs to start. OPTIMA batteries are preferred by emergency vehicle
crews because they deliver more power in tougher conditions than any other battery.
Collectors and RV owners appreciate the Optima's ability to hold a charge up
to 3 times longer than conventional batteries. 1st Optima pays the shipping
costs to 48 states, so prices quoted are your total delivered cost.
No handling fees, and no sales tax outside Nebraska.
Measure your vehicle's available battery space,
consult the dimensions below for fit and connector types, then call us toll-free
for the ultimate starter battery!
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References |
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Hours1 |
@ 0° F |
@ 32° F |
Category |
Minutes |
Length x Width x Height (inches) (Height includes 1" terminals) |
Terminal Layout |
Weight |
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(Includes Shipping*) Pricing is current. |
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800U SC34U |
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10 x 6.8 x 7.8" Height includes 1" terminals |
38.8 lbs |
+ GM Side |
(includes shipping) Online ordering page |
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| The 34/78 (above) has both top and GM-style side terminals. Size includes posts. See Model 34/78 top-view here. For larger starting/deep cycle batteries see D31 series below. | ||||||||||||
| 34 |
8002-002 800S SC34A |
12V |
50 AH |
800 CCA |
1000 CA |
Medium |
100 |
Case Size Category: Medium 10 x 6.8 x 7.8" Height includes 1" terminals |
38.8 lbs |
Top
Post |
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| The Model 34 (above) has top terminals only. Size includes posts. See Model 34 top-view here. For larger starting/deep cycle batteries see D31 series below. | ||||||||||||
35
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8020-164 --- SC35A |
12V |
44 AH |
720 CCA |
910 CA |
Med-Small |
90 |
Size Category: Med-Small 9.0 x 6.7 x 7.8" Height includes 1" terminals |
33.0 lbs |
Top Post |
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| The Model 35 (above) has top terminals only. Size includes posts. See Model 35 top-view here. The Model 35 has opposite post orientation from the Model 25 or Model 75/25. | ||||||||||||
25
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8025-160 --- SC25A |
12V |
44 AH |
720 CCA |
910 CA |
Med-Small |
90 |
Size Category: Med-Small 9.25 x 6.3 x 7.7" Height includes 1" terminals |
33.0 lbs |
Top Post |
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| The Model 25 (above) has top terminals only. Size includes posts. See Model 25 top-view here. | ||||||||||||
| 75/25
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725U SC75U |
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9.4 x 6.8 x 7.8" Height includes 1" terminals |
33.1 lbs |
+ GM Side |
(includes shipping) Online ordering page |
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| The 75/25 (above) has both top and GM-style side terminals. Size includes posts. See Model 75/25 top-view here. | ||||||||||||
| 6V
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850/6 SC6A |
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10 x 3.5 x 7.8" Height includes 1" terminals |
18.4 lbs |
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(includes shipping) Online ordering page |
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| In addition to 6 volt applications, two 6V batteries can be connected in series to provide 12 volt power in locations where a standard 12V will not fit. Size includes top posts. See Model 6V top-view here. | ||||||||||||
| 34R
Reverse Post |
800SR SC34R |
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10 x 6.8 x 7.8" Height includes 1" terminals |
38.8 lbs |
Top Posts |
(includes shipping) Online ordering page |
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34R (above) has reversed post placement: See
Model 34R top-view and more info here. NOTE: 34R top color is now red (not orange, as formerly.) |
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| 34M
Marine
Starter |
8006-006 1000M SC34M |
12V |
50 AH |
800 CCA |
1000 CA |
Medium |
100
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Size Category: Medium 10 x 6.8 x 7.8" Height includes 1" terminals |
38.4 lbs |
Top
Post +Top Stud |
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| The 34M Marine Starter (above) is not a deep-cycle battery. It is a starter battery offering both top-mounted automotive (SAE) posts plus top-mounted stainless steel threaded stud posts for small accessories. See Model 34M top-view here. See below for deep cycle D34M model, which is better suited to moderate or heavy accessory loads. | ||||||||||||
Charger Info Link | Warranty Info Link Optima batteries don't require a battery box for acid containment because they don't leak. |
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| Table Notes: 1Amp Hours = Amp output sustainable for 20 hours before dropping to 10.5 volt recharge level, multiplied by 20. More explanation here. 2At all temperatures, Optima® batteries can discharge far higher amperage during the first critical seconds of demand compared to conventional batteries. In difficult conditions, this provides the rapid spin required to start engines quickly when conventional batteries with equal or greater CA or CCA merely crank without firing engine. 3Reserve Minutes = number of minutes battery will maintain 25 amps output before dropping to 10.5 volts. More explanation here. |
OPTIMA® More-Info Links: |
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– Jerry Cummings, Latham OH |
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Extended Power Duration
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| Optima
Yellow Top Batteries Rear: D31A, D31T Front: D34/78, D34 See new Model 51 & 51R specs in table below. |
Optima
Blue Top Batteries |
OPTIMA® More-Info Links: |
OPTIMA® Yellow
Top and Blue Top battery models are the power source of choice for
deep-cycle power needs. Compared to conventional batteries, voltage output from
an Optima battery is more uniform across the discharge curve, more deep cycles
are tolerated, and they can be mounted in any position with zero corrosion and
zero leaks. They recharge faster than conventional batteries, and typically
deliver 1.5 - 2x the service life. Yellow Top and Blue
Top batteries also offer excellent performance as starter batteries for dual-purpose
applications. Call us to order the premium power source for heavy
cycling applications. With free shipping and no handling fees, prices quoted
are your total delivered cost!**
| Common Deep Cycle Applications: | |
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Performance
audio
Trolling motors Portable lighting Winches |
Inverter
power Security system backup Sump pump backup RV/Camping power |
Note: Performance between models D34/78, D34, and D34M is identical. The difference
between between those batteries is the post style. Performance between models D31T, D31A and D31M is identical. The difference between those batteries is the post style. Optima Blue Top batteries are colored blue for marine battery applications but work equally well in non-marine uses. |
OPTIMA® More-Info Links: |
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References |
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CCA2 @ 0° F |
32° F |
Category |
Minutes3 |
Length x Width x Height (inches) (Height includes 1" terminals) |
Terminal Layout |
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(Includes Shipping*) Pricing is current. |
D51 |
8071-167 --- SC51DA |
12V |
38 AH |
450 CCA |
560 CA |
Small |
66 |
Case Size Category: Small 9.25 x 5.0 x 9.0" Height includes 1" terminals |
26.5 lbs |
Top Post |
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Model 51 (above) has standard SAE top terminals. Works well for both deep cycle and starter battery needs. All battery sizes include posts. See Model 51 top-view & more info here. |
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D51R Reverse Post |
8073-167 --- SC51RDA |
12V |
38 AH |
450 CCA |
560 CA |
Small |
66 |
Case Size Category: Small 9.25 x 5.0 x 9.0" Height includes 1" terminals |
26.5 lbs |
Top Post |
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| 51R (above) is identical to 51 (above) except 51R has reversed post placement: See the Model 51R top-view and more info here. | ||||||||||||
D35 |
8040-218 --- SC35A |
12V |
48 AH |
650 CCA |
810 CA |
Med-Small |
98 |
Case Size Category: Med-Small 9.0 x 6.7 x 7.8" Height includes 1" terminals |
37.2 lbs |
Top Post |
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| Model D35 (above) has standard SAE top terminals. Like all Optima deep cycle batteries, the D35 works well for both deep cycle and starting applications. See D35 top-view & more info here. | ||||||||||||
D75/25 |
8042-218 --- SC75DU |
12V |
48 AH |
650 CCA |
810 CA |
Med-Small |
98 |
Case Size Category: Med-Small 9.25 x 6.7 x 7.8" Height includes 1" terminals |
38.2 lbs |
Top Post + GM Side |
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| The D75/25 (above) has both top posts and GM style side connectors. Works well for both deep cycle and starting applications. See the Model D75/25 top-view & more info here. | ||||||||||||
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D750U SC34DU |
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10 x 6.8 x 7.8" Height includes 1" terminals |
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+ GM Side |
(includes shipping) Online ordering page |
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| The D34/78 (above) has both top posts and GM style side connectors. Works well for both deep cycle and starter battery needs. All battery sizes include posts. See Model D34/78 top-view here. | ||||||||||||
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D750S SC34DA |
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10 x 6.8 x 7.8" Height includes 1" terminals |
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(includes shipping) Online ordering page |
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| D34 (above) has standard SAE top terminals only. Works well for both deep cycle and starter battery needs. All battery sizes include posts. See Model D34 top-view & more info here. | ||||||||||||
D31T |
8050-160 --- SC31DS |
12V |
75 AH |
900 CCA |
1125 CA |
Large |
155 |
Case Size Category: Large 12.8 x 6.5 x 9.4" Height includes 1" terminals |
59.8 lbs |
Top Stud |
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| The D31T (above) is a new model. Posts are 3/8" threaded stainless top studs ONLY, for use with loop cable ends (no SAE posts.) Size includes studs. See Model D31T top-view & more info here. | ||||||||||||
D31A |
8051-160 --- SC31DA |
12V |
75 AH |
900 CCA |
1125 CA |
Large |
155 |
Case Size Category: Large 12.8 x 6.5 x 9.4" Height includes 1" terminals |
59.8 lbs |
Top Post |
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| The D31A, D31T and D31M (below) are new models. D31A connectors are SAE automotive-style top posts. See Model D31A top-view & more info here. The D31-series batteries are Optima's largest. In addition to being providing deep-cycling ability, the D31A, D31T or D31M also serve as incredibly powe | ||||||||||||